tda1548tz NXP Semiconductors, tda1548tz Datasheet - Page 11

• Manufacturer Part Number: tda1548tz
• Description: Bitstream Continuous Calibration Filter-dac With Headphone Driver And Dsp
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DC CHARACTERISTICS
All voltages referenced to ground (pins 1, 11 and 24); V
common operational amplifier application; unless otherwise specified.
Notes
1. R
2. All power supply pins (V
3. No operational amplifier load resistor.
4. Load capacitance greater than 50 pF, an inductor of 22 H connected in parallel with a resistor of 270
1995 Nov 15
V
V
V
I
I
I
P
Digital inputs
V
V
|I
C
Analog inputs pins ADVC, ADBB, ADTR and AD3S
RES
C
R
Analog reference pin AD
V
R
Analog audio pins
V
R
R
I
C
SYMBOL
DDD
DDA
DDO
O(max)
LI
DDD
DDA
DDO
tot
IH
IL
ADref
ref
I
I
I
L(ADref
O
CONV
L
Bitstream continuous calibration filter-DAC
with headphone driver and DSP
|
inserted between the load and the operational amplifier output.
L
is the AC impedance of the external circuitry connected to the audio outputs of the application circuit.
)
digital supply voltage pin 10
analog supply voltage pin 23 note 2
opamp supply voltage pin 28 note 2
digital supply current
analog supply current
opamp supply current
total power dissipation
HIGH level input voltage on
pins 5 to 9 and 12 to 17
LOW level input voltage on
pins 5 to 9 and 12 to 17
input leakage current on
pins 7 to 9 and 12 to 17
input capacitance on
pins 5 to 9 and 12 to 17
input resolution
input capacitance
input resistance
reference voltage pin 18
reference output load pin 18
reference voltage pin 25
output resistance pin 25
current-to-voltage
conversion resistor
maximum output current
output load capacitance
PARAMETER
ref
DD
and V
SS
) must be connected to the same external power supply unit.
note 2
at digital silence
at digital silence
at digital silence; note 3
note 3
pins ADBB, ADTR and ADVC 1
pin AD3S
with respect to V
(THD + N)/S < 0.1%
note 4
CONDITIONS
DDD
11
= V
SSO
DDA
= V
DDO
= 3 V; T
2.7
2.7
2.7
0.7V
0.45V
3.0
0.45V
MIN.
DDD
DDA
DDA
amb
= 25 C, R
3.0
3.0
3.0
4.5
4.5
6.0
50
10
20
0.5V
0.5V
3
1.2
35
TYP.
DDA
DDA
L
Product specification
4.0
4.0
4.0
0.3V
10
10
6
0.55V
0.55V
50
= 32
TDA1548T
MAX.
DDD
DDA
DDA
(note 1);
must be
V
V
V
mA
mA
mA
mW
V
V
pF
bit
pF
M
k
V
k
V
k
k
mA
pF
UNIT
A